RT said the site posted a page which includes information that alleges to be Brennan's home address, phone numbers, social security number, and his TransUnion credit report.
Salon reported the same site recently leaked similar information about First Lady Michelle Obama and Vice President Joe Biden, as well as, celebrities including Tom Cruise and Beyonce.
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The CIA Director's credit report from Friday, March 15 includes his American Express card, his past student loans and car loans, RT said.
Earlier this week, a spokesperson for TransUnion credit agency told Forbes, upon learning about the initial leaks, they had "immediately launched an investigation."